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ruby--ruby/ext/openssl/ossl_x509cert.c
gotoyuzo 30103702c3 * ext/openssl: all files are reviewed to simplify and avoid memory leak. 
* ext/openssl/extconf.rb: add check for assert.h.

* ext/openssl/ossl.c (ossl_buf2str): new function to convert
  C buffer to String and free buffer.

* ext/openssl/ossl.c (ossl_x509_ary2sk): new function to convert
  Array of OpenSSL::X509 to STACK_OF(X509) with exception safe.

* ext/openssl/ossl.c (ossl_to_der, ossl_to_der_if_possible): new
  functions to convert object to DER string.

* ext/openssl/ossl.h: ditto.

* ext/openssl/ossl_bio.c (ossl_membio2str): new function to convert
  BIO to String object and free BIO.

* ext/openssl/ossl_bio.h: ditto.

* ext/openssl/ossl_pkcs7.c (ossl_pkcs7_to_der): add for "to_der".

* ext/openssl/ossl_x509name.c (ossl_x509name_to_der): ditto.

* ext/openssl/ossl_x509ext.c (ossl_x509ext_to_der): ditto.

* ext/openssl/ossl_x509ext.c (create_ext_from_array): removed
  and reimplement in openssl/x509.rb.

* ext/openssl/ossl_x509attr.c: reimplemented and disable some
  method temporarily. this class doesn't work fine without ASN.1
  data support;-) I'll rewrite in near future.

* ext/openssl/lib/openssl/x509.c (X509::Attribute): get rid off
  unused code.

* ext/openssl/lib/openssl/x509.c (X509::ExtensionFactory): refine all.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4558 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2003-09-17 09:05:02 +00:00

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/*
* $Id$
* 'OpenSSL for Ruby' project
* Copyright (C) 2001-2002 Michal Rokos <m.rokos@sh.cvut.cz>
* All rights reserved.
*/
/*
* This program is licenced under the same licence as Ruby.
* (See the file 'LICENCE'.)
*/
#include "ossl.h"
#define WrapX509(klass, obj, x509) do { \
if (!x509) { \
ossl_raise(rb_eRuntimeError, "CERT wasn't initialized!"); \
} \
obj = Data_Wrap_Struct(klass, 0, X509_free, x509); \
} while (0)
#define GetX509(obj, x509) do { \
Data_Get_Struct(obj, X509, x509); \
if (!x509) { \
ossl_raise(rb_eRuntimeError, "CERT wasn't initialized!"); \
} \
} while (0)
#define SafeGetX509(obj, x509) do { \
OSSL_Check_Kind(obj, cX509Cert); \
GetX509(obj, x509); \
} while (0)
/*
* Classes
*/
VALUE cX509Cert;
VALUE eX509CertError;
/*
* Public
*/
VALUE
ossl_x509_new(X509 *x509)
{
X509 *new;
VALUE obj;
if (!x509) {
new = X509_new();
} else {
new = X509_dup(x509);
}
if (!new) {
ossl_raise(eX509CertError, NULL);
}
WrapX509(cX509Cert, obj, new);
return obj;
}
VALUE
ossl_x509_new_from_file(VALUE filename)
{
X509 *x509;
FILE *fp;
VALUE obj;
SafeStringValue(filename);
if (!(fp = fopen(RSTRING(filename)->ptr, "r"))) {
ossl_raise(eX509CertError, "%s", strerror(errno));
}
x509 = PEM_read_X509(fp, NULL, NULL, NULL);
/*
* prepare for DER...
#if !defined(OPENSSL_NO_FP_API)
if (!x509) {
rewind(fp);
x509 = d2i_X509_fp(fp, NULL);
}
#endif
*/
fclose(fp);
if (!x509) {
ossl_raise(eX509CertError, NULL);
}
WrapX509(cX509Cert, obj, x509);
return obj;
}
X509 *
GetX509CertPtr(VALUE obj)
{
X509 *x509;
SafeGetX509(obj, x509);
return x509;
}
X509 *
DupX509CertPtr(VALUE obj)
{
X509 *x509;
SafeGetX509(obj, x509);
CRYPTO_add(&x509->references, 1, CRYPTO_LOCK_X509);
return x509;
}
/*
* Private
*/
static VALUE
ossl_x509_alloc(VALUE klass)
{
X509 *x509;
VALUE obj;
x509 = X509_new();
if (!x509) ossl_raise(eX509CertError, NULL);
WrapX509(klass, obj, x509);
return obj;
}
static VALUE
ossl_x509_initialize(int argc, VALUE *argv, VALUE self)
{
BIO *in;
X509 *x509;
VALUE arg;
if (rb_scan_args(argc, argv, "01", &arg) == 0) {
/* create just empty X509Cert */
return self;
}
arg = ossl_to_der_if_possible(arg);
in = ossl_obj2bio(arg);
x509 = PEM_read_bio_X509(in, (X509 **)&DATA_PTR(self), NULL, NULL);
if (!x509) {
BIO_reset(in);
x509 = d2i_X509_bio(in, (X509 **)&DATA_PTR(self));
}
BIO_free(in);
if (!x509) ossl_raise(eX509CertError, NULL);
return self;
}
static VALUE
ossl_x509_copy(VALUE self, VALUE other)
{
X509 *a, *b, *x509;
rb_check_frozen(self);
if (self == other) return self;
GetX509(self, a);
SafeGetX509(other, b);
x509 = X509_dup(b);
if (!x509) ossl_raise(eX509CertError, NULL);
DATA_PTR(self) = x509;
X509_free(a);
return self;
}
static VALUE
ossl_x509_to_der(VALUE self)
{
X509 *x509;
VALUE str;
long len;
unsigned char *p;
GetX509(self, x509);
if ((len = i2d_X509(x509, NULL)) <= 0)
ossl_raise(eX509CertError, NULL);
str = rb_str_new(0, len);
p = RSTRING(str)->ptr;
if (i2d_X509(x509, &p) <= 0)
ossl_raise(eX509CertError, NULL);
ossl_str_adjust(str, p);
return str;
}
static VALUE
ossl_x509_to_pem(VALUE self)
{
X509 *x509;
BIO *out;
VALUE str;
GetX509(self, x509);
out = BIO_new(BIO_s_mem());
if (!out) ossl_raise(eX509CertError, NULL);
if (!PEM_write_bio_X509(out, x509)) {
BIO_free(out);
ossl_raise(eX509CertError, NULL);
}
str = ossl_membio2str(out);
return str;
}
static VALUE
ossl_x509_to_text(VALUE self)
{
X509 *x509;
BIO *out;
VALUE str;
GetX509(self, x509);
out = BIO_new(BIO_s_mem());
if (!out) ossl_raise(eX509CertError, NULL);
if (!X509_print(out, x509)) {
BIO_free(out);
ossl_raise(eX509CertError, NULL);
}
str = ossl_membio2str(out);
return str;
}
#if 0
/*
* Makes from X509 X509_REQuest
*/
static VALUE
ossl_x509_to_req(VALUE self)
{
X509 *x509;
X509_REQ *req;
VALUE obj;
GetX509(self, x509);
if (!(req = X509_to_X509_REQ(x509, NULL, EVP_md5()))) {
ossl_raise(eX509CertError, NULL);
}
obj = ossl_x509req_new(req);
X509_REQ_free(req);
return obj;
}
#endif
static VALUE
ossl_x509_get_version(VALUE self)
{
X509 *x509;
GetX509(self, x509);
return LONG2NUM(X509_get_version(x509));
}
static VALUE
ossl_x509_set_version(VALUE self, VALUE version)
{
X509 *x509;
long ver;
GetX509(self, x509);
if ((ver = NUM2LONG(version)) < 0) {
ossl_raise(eX509CertError, "version must be >= 0!");
}
if (!X509_set_version(x509, ver)) {
ossl_raise(eX509CertError, NULL);
}
return version;
}
static VALUE
ossl_x509_get_serial(VALUE self)
{
X509 *x509;
GetX509(self, x509);
return asn1integer_to_num(X509_get_serialNumber(x509));
}
static VALUE
ossl_x509_set_serial(VALUE self, VALUE num)
{
X509 *x509;
GetX509(self, x509);
x509->cert_info->serialNumber =
num_to_asn1integer(num, X509_get_serialNumber(x509));
return num;
}
static VALUE
ossl_x509_get_signature_algorithm(VALUE self)
{
X509 *x509;
BIO *out;
VALUE str;
GetX509(self, x509);
out = BIO_new(BIO_s_mem());
if (!out) ossl_raise(eX509CertError, NULL);
if (!i2a_ASN1_OBJECT(out, x509->cert_info->signature->algorithm)) {
BIO_free(out);
ossl_raise(eX509CertError, NULL);
}
str = ossl_membio2str(out);
return str;
}
static VALUE
ossl_x509_get_subject(VALUE self)
{
X509 *x509;
X509_NAME *name;
GetX509(self, x509);
if (!(name = X509_get_subject_name(x509))) { /* NO DUP - don't free! */
ossl_raise(eX509CertError, NULL);
}
return ossl_x509name_new(name);
}
static VALUE
ossl_x509_set_subject(VALUE self, VALUE subject)
{
X509 *x509;
GetX509(self, x509);
if (!X509_set_subject_name(x509, GetX509NamePtr(subject))) { /* DUPs name */
ossl_raise(eX509CertError, NULL);
}
return subject;
}
static VALUE
ossl_x509_get_issuer(VALUE self)
{
X509 *x509;
X509_NAME *name;
GetX509(self, x509);
if(!(name = X509_get_issuer_name(x509))) { /* NO DUP - don't free! */
ossl_raise(eX509CertError, NULL);
}
return ossl_x509name_new(name);
}
static VALUE
ossl_x509_set_issuer(VALUE self, VALUE issuer)
{
X509 *x509;
GetX509(self, x509);
if (!X509_set_issuer_name(x509, GetX509NamePtr(issuer))) { /* DUPs name */
ossl_raise(eX509CertError, NULL);
}
return issuer;
}
static VALUE
ossl_x509_get_not_before(VALUE self)
{
X509 *x509;
ASN1_UTCTIME *asn1time;
GetX509(self, x509);
if (!(asn1time = X509_get_notBefore(x509))) { /* NO DUP - don't free! */
ossl_raise(eX509CertError, NULL);
}
return asn1time_to_time(asn1time);
}
static VALUE
ossl_x509_set_not_before(VALUE self, VALUE time)
{
X509 *x509;
time_t sec;
GetX509(self, x509);
sec = time_to_time_t(time);
if (!X509_time_adj(X509_get_notBefore(x509), 0, &sec)) {
ossl_raise(eX509CertError, NULL);
}
return time;
}
static VALUE
ossl_x509_get_not_after(VALUE self)
{
X509 *x509;
ASN1_TIME *asn1time;
GetX509(self, x509);
if (!(asn1time = X509_get_notAfter(x509))) { /* NO DUP - don't free! */
ossl_raise(eX509CertError, NULL);
}
return asn1time_to_time(asn1time);
}
static VALUE
ossl_x509_set_not_after(VALUE self, VALUE time)
{
X509 *x509;
time_t sec;
GetX509(self, x509);
sec = time_to_time_t(time);
if (!X509_time_adj(X509_get_notAfter(x509), 0, &sec)) {
ossl_raise(eX509CertError, NULL);
}
return time;
}
static VALUE
ossl_x509_get_public_key(VALUE self)
{
X509 *x509;
EVP_PKEY *pkey;
GetX509(self, x509);
if (!(pkey = X509_get_pubkey(x509))) { /* adds an reference */
ossl_raise(eX509CertError, NULL);
}
return ossl_pkey_new(pkey); /* NO DUP - OK */
}
static VALUE
ossl_x509_set_public_key(VALUE self, VALUE key)
{
X509 *x509;
GetX509(self, x509);
if (!X509_set_pubkey(x509, GetPKeyPtr(key))) { /* DUPs pkey */
ossl_raise(eX509CertError, NULL);
}
return key;
}
static VALUE
ossl_x509_sign(VALUE self, VALUE key, VALUE digest)
{
X509 *x509;
EVP_PKEY *pkey;
const EVP_MD *md;
GetX509(self, x509);
pkey = GetPrivPKeyPtr(key); /* NO NEED TO DUP */
md = GetDigestPtr(digest);
if (!X509_sign(x509, pkey, md)) {
ossl_raise(eX509CertError, NULL);
}
return self;
}
/*
* Checks that cert signature is made with PRIVversion of this PUBLIC 'key'
*/
static VALUE
ossl_x509_verify(VALUE self, VALUE key)
{
X509 *x509;
EVP_PKEY *pkey;
int i;
GetX509(self, x509);
pkey = GetPKeyPtr(key); /* NO NEED TO DUP */
if ((i = X509_verify(x509, pkey)) < 0) {
ossl_raise(eX509CertError, NULL);
}
if (i > 0) {
return Qtrue;
}
return Qfalse;
}
/*
* Checks if 'key' is PRIV key for this cert
*/
static VALUE
ossl_x509_check_private_key(VALUE self, VALUE key)
{
X509 *x509;
EVP_PKEY *pkey;
GetX509(self, x509);
/* not needed private key, but should be */
pkey = GetPrivPKeyPtr(key); /* NO NEED TO DUP */
if (!X509_check_private_key(x509, pkey)) {
OSSL_Warning("Check private key:%s", OSSL_ErrMsg());
return Qfalse;
}
return Qtrue;
}
/*
* Gets X509v3 extensions as array of X509Ext objects
*/
static VALUE
ossl_x509_get_extensions(VALUE self)
{
X509 *x509;
int count, i;
X509_EXTENSION *ext;
VALUE ary;
GetX509(self, x509);
count = X509_get_ext_count(x509);
if (count < 0) {
return rb_ary_new();
}
ary = rb_ary_new2(count);
for (i=0; i<count; i++) {
ext = X509_get_ext(x509, i); /* NO DUP - don't free! */
rb_ary_push(ary, ossl_x509ext_new(ext));
}
return ary;
}
/*
* Sets X509_EXTENSIONs
*/
static VALUE
ossl_x509_set_extensions(VALUE self, VALUE ary)
{
X509 *x509;
X509_EXTENSION *ext;
int i;
GetX509(self, x509);
Check_Type(ary, T_ARRAY);
/* All ary's members should be X509Extension */
for (i=0; i<RARRAY(ary)->len; i++) {
OSSL_Check_Kind(RARRAY(ary)->ptr[i], cX509Ext);
}
sk_X509_EXTENSION_pop_free(x509->cert_info->extensions, X509_EXTENSION_free);
x509->cert_info->extensions = NULL;
for (i=0; i<RARRAY(ary)->len; i++) {
ext = DupX509ExtPtr(RARRAY(ary)->ptr[i]);
if (!X509_add_ext(x509, ext, -1)) { /* DUPs ext - FREE it */
X509_EXTENSION_free(ext);
ossl_raise(eX509CertError, NULL);
}
X509_EXTENSION_free(ext);
}
return ary;
}
static VALUE
ossl_x509_add_extension(VALUE self, VALUE extension)
{
X509 *x509;
X509_EXTENSION *ext;
GetX509(self, x509);
ext = DupX509ExtPtr(extension);
if (!X509_add_ext(x509, ext, -1)) { /* DUPs ext - FREE it */
X509_EXTENSION_free(ext);
ossl_raise(eX509CertError, NULL);
}
X509_EXTENSION_free(ext);
return extension;
}
static VALUE
ossl_x509_inspect(VALUE self)
{
VALUE str;
char *cname = rb_class2name(rb_obj_class(self));
str = rb_str_new2("#<");
rb_str_cat2(str, cname);
rb_str_cat2(str, " ");
rb_str_cat2(str, "subject=");
rb_str_append(str, rb_inspect(ossl_x509_get_subject(self)));
rb_str_cat2(str, ", ");
rb_str_cat2(str, "issuer=");
rb_str_append(str, rb_inspect(ossl_x509_get_issuer(self)));
rb_str_cat2(str, ", ");
rb_str_cat2(str, "serial=");
rb_str_append(str, rb_inspect(ossl_x509_get_serial(self)));
rb_str_cat2(str, ", ");
rb_str_cat2(str, "not_before=");
rb_str_append(str, rb_inspect(ossl_x509_get_not_before(self)));
rb_str_cat2(str, ", ");
rb_str_cat2(str, "not_after=");
rb_str_append(str, rb_inspect(ossl_x509_get_not_after(self)));
str = rb_str_cat2(str, ">");
return str;
}
/*
* INIT
*/
void
Init_ossl_x509cert()
{
eX509CertError = rb_define_class_under(mX509, "CertificateError", eOSSLError);
cX509Cert = rb_define_class_under(mX509, "Certificate", rb_cObject);
rb_define_alloc_func(cX509Cert, ossl_x509_alloc);
rb_define_method(cX509Cert, "initialize", ossl_x509_initialize, -1);
rb_define_copy_func(cX509Cert, ossl_x509_copy);
rb_define_method(cX509Cert, "to_der", ossl_x509_to_der, 0);
rb_define_method(cX509Cert, "to_pem", ossl_x509_to_pem, 0);
rb_define_alias(cX509Cert, "to_s", "to_pem");
rb_define_method(cX509Cert, "to_text", ossl_x509_to_text, 0);
rb_define_method(cX509Cert, "version", ossl_x509_get_version, 0);
rb_define_method(cX509Cert, "version=", ossl_x509_set_version, 1);
rb_define_method(cX509Cert, "signature_algorithm", ossl_x509_get_signature_algorithm, 0);
rb_define_method(cX509Cert, "serial", ossl_x509_get_serial, 0);
rb_define_method(cX509Cert, "serial=", ossl_x509_set_serial, 1);
rb_define_method(cX509Cert, "subject", ossl_x509_get_subject, 0);
rb_define_method(cX509Cert, "subject=", ossl_x509_set_subject, 1);
rb_define_method(cX509Cert, "issuer", ossl_x509_get_issuer, 0);
rb_define_method(cX509Cert, "issuer=", ossl_x509_set_issuer, 1);
rb_define_method(cX509Cert, "not_before", ossl_x509_get_not_before, 0);
rb_define_method(cX509Cert, "not_before=", ossl_x509_set_not_before, 1);
rb_define_method(cX509Cert, "not_after", ossl_x509_get_not_after, 0);
rb_define_method(cX509Cert, "not_after=", ossl_x509_set_not_after, 1);
rb_define_method(cX509Cert, "public_key", ossl_x509_get_public_key, 0);
rb_define_method(cX509Cert, "public_key=", ossl_x509_set_public_key, 1);
rb_define_method(cX509Cert, "sign", ossl_x509_sign, 2);
rb_define_method(cX509Cert, "verify", ossl_x509_verify, 1);
rb_define_method(cX509Cert, "check_private_key", ossl_x509_check_private_key, 1);
rb_define_method(cX509Cert, "extensions", ossl_x509_get_extensions, 0);
rb_define_method(cX509Cert, "extensions=", ossl_x509_set_extensions, 1);
rb_define_method(cX509Cert, "add_extension", ossl_x509_add_extension, 1);
rb_define_method(cX509Cert, "inspect", ossl_x509_inspect, 0);
}
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